lfs-book-zh_CN/appendixa/shadowpwd-shortdesc.xml

<sect2><title>Contents of Shadow</title>

<para>Last checked against version &shadow-contversion;.</para>

<para>The Shadow package was created to strengthen the security
of system passwords.</para>

<para>Shadow installs the following:</para>

<sect3><title>Program Files</title>
<para>chage, chfn, chpasswd, chsh, dpasswd, expiry, faillog, gpasswd, 
groupadd, groupdel, groupmod, groups, grpck, grpconv, grpunconv, lastlog,
login, logoutd, mkpasswd, newgrp, newusers, passwd, pwck, pwconv, pwunconv,
sg (link to newgrp), useradd, userdel, usermod, vigr (link to vipw) and
vipw</para></sect3>

</sect2>